108 lines
3.4 KiB
Plaintext
108 lines
3.4 KiB
Plaintext
/******************************************************************************
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* Copyright (c) 2011, Duane Merrill. All rights reserved.
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* Copyright (c) 2011-2013, NVIDIA CORPORATION. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the NVIDIA CORPORATION nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL NVIDIA CORPORATION BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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******************************************************************************/
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/******************************************************************************
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* Common C/C++ macro utilities
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******************************************************************************/
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#pragma once
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#include "util_namespace.cuh"
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/// Optional outer namespace(s)
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CUB_NS_PREFIX
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/// CUB namespace
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namespace cub {
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/**
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* \addtogroup UtilModule
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* @{
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*/
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/**
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* Align struct
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*/
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#if defined(_WIN32) || defined(_WIN64)
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#define CUB_ALIGN(bytes) __declspec(align(32))
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#else
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#define CUB_ALIGN(bytes) __attribute__((aligned(bytes)))
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#endif
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/**
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* Select maximum(a, b)
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*/
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#define CUB_MAX(a, b) (((a) > (b)) ? (a) : (b))
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/**
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* Select minimum(a, b)
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*/
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#define CUB_MIN(a, b) (((a) < (b)) ? (a) : (b))
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/**
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* Quotient of x/y rounded down to nearest integer
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*/
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#define CUB_QUOTIENT_FLOOR(x, y) ((x) / (y))
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/**
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* Quotient of x/y rounded up to nearest integer
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*/
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#define CUB_QUOTIENT_CEILING(x, y) (((x) + (y) - 1) / (y))
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/**
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* x rounded up to the nearest multiple of y
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*/
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#define CUB_ROUND_UP_NEAREST(x, y) ((((x) + (y) - 1) / (y)) * y)
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/**
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* x rounded down to the nearest multiple of y
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*/
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#define CUB_ROUND_DOWN_NEAREST(x, y) (((x) / (y)) * y)
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/**
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* Return character string for given type
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*/
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#define CUB_TYPE_STRING(type) ""#type
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#ifndef DOXYGEN_SHOULD_SKIP_THIS // Do not document
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#define CUB_CAT_(a, b) a ## b
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#define CUB_CAT(a, b) CUB_CAT_(a, b)
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#endif // DOXYGEN_SHOULD_SKIP_THIS
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/**
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* Static assert
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*/
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#define CUB_STATIC_ASSERT(cond, msg) typedef int CUB_CAT(cub_static_assert, __LINE__)[(cond) ? 1 : -1]
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/** @} */ // end group UtilModule
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} // CUB namespace
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CUB_NS_POSTFIX // Optional outer namespace(s)
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